#3060: impossible internal bug while building darcs
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Reporter: quick | Owner:
Type: bug | Status: reopened
Priority: normal | Milestone:
Component: Compiler | Version: 6.10.1
Severity: minor | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Linux
Architecture: x86 |
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Changes (by quick):
* status: closed => reopened
* resolution: invalid =>
* severity: major => minor
Comment:
Sorry for the delay...
I can confirm that a cabal-based installation of unix-2.3.1.0 causes the
darcs-build error to re-occur. The build of unix-2.3.1.0 proceeded
without problems, but the result is fatal.
A {{{ghc-pkg hide unix-2.3.1.0}}} is successful and a list confirms that
unix is hidden (surrounded by parentheses) but the error persists.
I cannot {{{ghc-pkg unregister unix}}} because:
{{{
ghc-pkg: unregistering unix would break the following packages:
haddock-2.3.0 ghc-6.10.1 directory-1.0.0.2 process-1.0.1.0 hpc-0.5.0.2
Cabal-1.6.0.1 haskell98-1.0.1.0 (use --force to override)
}}}
The only solution apparent at this point is to remove GHC-6.10.1 and
fallback to GHC-6.8.3, then use GHC-6.8.3 to rebuild and re-install
GHC-6.10.1. I cannot simply rebuild GHC-6.10.1 because it has a similar
failure attempting to build itself.
So... I'm going to re-open this bug, but with lower severity (because
there are workarounds). The unix package is definitely problematic post-
install.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3060#comment:8>
GHC <http://www.haskell.org/ghc/>
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